/*
 * Copyright 2013-2022 Step Function I/O, LLC
 *
 * Licensed to Green Energy Corp (www.greenenergycorp.com) and Step Function I/O
 * LLC (https://stepfunc.io) under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. Green Energy Corp and Step Function I/O LLC license
 * this file to you under the Apache License, Version 2.0 (the "License"); you
 * may not use this file except in compliance with the License. You may obtain
 * a copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef OPENDNP3_UNITTESTS_MOCK_LINK_LAYER_H
#define OPENDNP3_UNITTESTS_MOCK_LINK_LAYER_H

#include "utils/BufferHelpers.h"

#include <ser4cpp/util/HexConversions.h>

#include <link/ILinkLayer.h>

#include <vector>

class MockLinkLayer : public opendnp3::ILinkLayer, public opendnp3::HasUpperLayer
{

public:
    virtual bool Send(opendnp3::ITransportSegment& segments) override final
    {
        while (segments.HasValue())
        {
            sends.push_back(ser4cpp::HexConversions::to_hex(segments.GetSegment()));
            segments.Advance();
        }

        return true;
    }

    std::string PopWriteAsHex()
    {
        assert(!sends.empty());
        auto ret = sends.front();
        sends.erase(sends.begin());
        return ret;
    }

    bool SendUp(const std::string& hex, const opendnp3::Addresses& addresses = opendnp3::Addresses())
    {
        if (pUpperLayer)
        {
            HexSequence hs(hex);
            return pUpperLayer->OnReceive(opendnp3::Message(addresses, hs.ToRSeq()));
        }
        return false;
    }

    std::vector<std::string> sends;
};

#endif
